/*******************************************************************************
 * Copyright IBM Corp. and others 2020
 *
 * This program and the accompanying materials are made available under
 * the terms of the Eclipse Public License 2.0 which accompanies this
 * distribution and is available at https://www.eclipse.org/legal/epl-2.0/
 * or the Apache License, Version 2.0 which accompanies this distribution and
 * is available at https://www.apache.org/licenses/LICENSE-2.0.
 *
 * This Source Code may also be made available under the following
 * Secondary Licenses when the conditions for such availability set
 * forth in the Eclipse Public License, v. 2.0 are satisfied: GNU
 * General Public License, version 2 with the GNU Classpath
 * Exception [1] and GNU General Public License, version 2 with the
 * OpenJDK Assembly Exception [2].
 *
 * [1] https://www.gnu.org/software/classpath/license.html
 * [2] https://openjdk.org/legal/assembly-exception.html
 *
 * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0 OR GPL-2.0-only WITH OpenJDK-assembly-exception-1.0
 *******************************************************************************/

#ifndef LLJB_MODULE_HPP
#define LLJB_MODULE_HPP

#include "llvm/IR/Module.h"
#include "llvm/IR/Function.h"

#include <memory>


namespace llvm
{
   class LLVMContext;
   class SMDiagnostic;
}

namespace lljb
{

class Module
   {

public:
   Module(const char * filename, llvm::SMDiagnostic &SMDiags, llvm::LLVMContext &context);

   std::unique_ptr<llvm::Module>& getLLVMModule()
      {
      return _llvmModule;
      }

   int32_t numFunctions()
      {
      return _llvmModule->getFunctionList().size();
      }

   llvm::simple_ilist<llvm::Function>::iterator funcIterBegin()
      {
      return _llvmModule->getFunctionList().begin();
      }

   llvm::simple_ilist<llvm::Function>::iterator funcIterEnd()
      {
      return _llvmModule->getFunctionList().end();
      }

   llvm::Function * getMainFunction();


private:

   std::unique_ptr<llvm::Module> _llvmModule;
   bool _constructed;
   const char * _filename;

   }; // class Module

} // namespace lljb


#endif /* LLJB_MODULE_HPP */
